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Class Information
Number: 250/372
Name: Radiant energy > Invisible radiant energy responsive electric signalling > Ultraviolet light responsive means
Description: Subject matter wherein the radiation responsive means responds to ultraviolet light.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5252831 |
Redirecting light from a fluorescent coating by a mirror layer |
Oct. 12, 1993 |
| 5242602 |
Spectrophotometric monitoring of multiple water treatment performance indicators using chemometrics |
Sep. 7, 1993 |
| 5227640 |
Apparatus for detecting a flame using weighted time intervals |
Jul. 13, 1993 |
| 5225681 |
Gas-filled UV spectrometer |
Jul. 6, 1993 |
| 5223914 |
Follow-up system for etch process monitoring |
Jun. 29, 1993 |
| 5218416 |
Irradiance calibration with solar diffuser |
Jun. 8, 1993 |
| 5214288 |
Method and apparatus for two-dimensional measurement of concentration of biological macromolecule solution |
May. 25, 1993 |
| 5210702 |
Apparatus for remote analysis of vehicle emissions |
May. 11, 1993 |
| 5196705 |
Sun exposure monitoring device |
Mar. 23, 1993 |
| 5194728 |
Circuit for detecting firing of an ultraviolet radiation detector tube |
Mar. 16, 1993 |
| 5189398 |
Flame detecting and alarming system with ultraviolet sensor |
Feb. 23, 1993 |
| 5173609 |
Device for the detection of radiation that endangers living beings |
Dec. 22, 1992 |
| 5170057 |
Method and apparatus for measuring the partial pressure of a gas in a vacuum |
Dec. 8, 1992 |
| 5168164 |
Optical waveform measuring device |
Dec. 1, 1992 |
| 5168152 |
Attitude control with sensors on a mining vehicle |
Dec. 1, 1992 |
| 5155555 |
Monitoring of film formers |
Oct. 13, 1992 |
| 5155367 |
Gas contamination-measuring apparatus for use with an ultraviolet-emitting laser source |
Oct. 13, 1992 |
| 5153140 |
Process for controlling and optimising industrial processes for the preparation of dyes, fluorescent whitening agents and their intermediates |
Oct. 6, 1992 |
| 5151600 |
Noseshade for monitoring exposure to ultraviolet radiation |
Sep. 29, 1992 |
| 5149972 |
Two excitation wavelength video imaging microscope |
Sep. 22, 1992 |
| 5148023 |
Ultraviolet ray measuring apparatus for predicting sunburn level and for obtaining SPF values of cosmetics |
Sep. 15, 1992 |
| 5146097 |
Method for measuring gloss profile |
Sep. 8, 1992 |
| 5128549 |
Stray radiation compensation |
Jul. 7, 1992 |
| 5120966 |
Method of and apparatus for measuring film thickness |
Jun. 9, 1992 |
| 5120965 |
Apparatus and method for inverse photoemission |
Jun. 9, 1992 |
| 5115138 |
Ultraviolet ray detecting device |
May. 19, 1992 |
| 5107123 |
Solar ultraviolet radiation measuring device and process |
Apr. 21, 1992 |
| 5093576 |
High sensitivity ultraviolet radiation detector |
Mar. 3, 1992 |
| 5075557 |
Simplified apparatus and method for measuring quantity of ultraviolet radiation received |
Dec. 24, 1991 |
| 5062154 |
Mid range UV communications |
Oct. 29, 1991 |
| 5055692 |
System for measuring ambient pressure and temperature |
Oct. 8, 1991 |
| 5055695 |
Alignment system and method for infrared interferometer |
Oct. 8, 1991 |
| 5053622 |
Early ballistic missile detection system |
Oct. 1, 1991 |
| 5053136 |
Method for the heterogeneous catalytic photodegradation of pollutants |
Oct. 1, 1991 |
| 5045704 |
Method for determining absolute reflectance of a material in the ultraviolet range |
Sep. 3, 1991 |
| 5036311 |
UV Exposure monitoring system |
Jul. 30, 1991 |
| 5034611 |
Method for non-destructive identification for electronic inhomogeneities in semiconductor layers |
Jul. 23, 1991 |
| 5034606 |
Method and apparatus for calibrating line spectrum irradiance |
Jul. 23, 1991 |
| 5026996 |
Line scanner |
Jun. 25, 1991 |
| 5023456 |
Radiation detector system |
Jun. 11, 1991 |
| 5021668 |
Electro-optical middle ultra-violet sensors |
Jun. 4, 1991 |
| 5008548 |
Personal UV radiometer |
Apr. 16, 1991 |
| 5001348 |
Method and apparatus for recognizing the start and motion of objects |
Mar. 19, 1991 |
| 5001353 |
Method and apparatus to measure the thickness of coating films |
Mar. 19, 1991 |
| 4998019 |
Photoemission contaminant detector |
Mar. 5, 1991 |
| 4984894 |
Method of and apparatus for measuring film thickness |
Jan. 15, 1991 |
| 4985632 |
Suntan indicator |
Jan. 15, 1991 |
| 4977325 |
Optical read system and immunoassay method |
Dec. 11, 1990 |
| 4975584 |
Method and apparatus for collecting, processing and displaying ultraviolet radiation data |
Dec. 4, 1990 |
| 4965454 |
Method and apparatus for detecting foreign particle |
Oct. 23, 1990 |
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